#!/bin/sh
set -e

case "$1" in
  upgrade|remove|purge)
    if [ -x "$(which docker)" ]; then
        if service docker status >>/dev/null; then
            ## Clearing docker cache...
#            CONTAINERS=$(docker ps -a | grep runner | grep project | grep concurrent | grep cache ||:)
            CONTAINERS=$(docker ps -a | grep gitlab | grep runner ||:)
            if [ -n "${CONTAINERS}" ]; then
                for container in $(printf "$CONTAINERS\n" | awk '{print $1}'); do
                    docker rm -v $container || :
                done
            fi

            ## Removing old pre-built image...
            DIMs=$(docker images -q gitlab-runner-prebuilt)
            if [ -n "${DIMs}" ]; then
                docker rmi ${DIMs} || :
            fi

            ## Removing pre-built image...
            DIMs=$(docker images -q gitlab-runner-helper)
            if [ -n "${DIMs}" ]; then
                docker rmi ${DIMs} || :
            fi
        else
            printf "W: Docker is not running; unable to clean.\n"
        fi
    fi

    rm -rf /var/lib/gitlab-runner/builds
    rm -f  /var/lib/gitlab-runner/*-prebuilt*
    rm -f  /var/lib/gitlab-runner/*-helper*
  ;;
  purge)
    if [ -x deluser ]; then
        deluser --quiet gitlab-runner >>/dev/null || true
    fi
    delgroup --quiet --system --only-if-empty gitlab-runner || true
    rm -rf /var/lib/gitlab-runner
  ;;
esac

# Automatically added by dh_installinit/13.11.4
if [ "$1" = "remove" ] && [ -x "/etc/init.d/gitlab-runner" ] ; then
	chmod -x "/etc/init.d/gitlab-runner" >/dev/null || true
fi
if [ -z "${DPKG_ROOT:-}" ] && [ "$1" = "purge" ] ; then
	update-rc.d gitlab-runner remove >/dev/null
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.11.4
if [ "$1" = remove ] && [ -d /run/systemd/system ] ; then
	systemctl --system daemon-reload >/dev/null || true
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.11.4
if [ "$1" = "purge" ]; then
	if [ -x "/usr/bin/deb-systemd-helper" ]; then
		deb-systemd-helper purge 'gitlab-runner.service' >/dev/null || true
	fi
fi
# End automatically added section